September 21, 1850

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Features

Aurora Branch Railroad

The Celestials in China

The Pulley Engine

English Engine Drivers

Eight Wheel Cars for Railroads

American Association for the Advancement of Science

Astronomy

A Machine for Praying

A Female Aeronaut

Black Lead Mines of New Brunswick

About Explosions—Practical Exprience

The Voltaic Battery

Knapp's Patent Cow Milker

Improved Axle Box

Centrifugal Castings

Wine Making

Porcelain

Noiseless Carriage Wheels and Horse Shoes

Improved Mitre Box

Improved Carpet Loom

A New Watch

The Power of Lightning, Steam, and the Press

Our List of Patent Claims

The Late State Fair

Letter and Newspaper Clasps

Aspect of Death in Childhood

Notice

Jenny Lind, the Queen of Song

Fair of the American Institute

Our New Volume

Dodd's Anti-Friction Shaft and Axle Roller Cylinder

Singular Process

Maryland Mechanics Institute

List of Patent Claims

The Submarine Telegraph between France and England

Important Notice to Us!

Coal Ashes as a Manure

Ocean Navigation—Marine Steam Engine

Durability of Iron Ships

American Mesmerizer in Britain

Butternut Sugar

To Harden Steel without Springing

New Prospectus

To Mechanics, Inventors, and Manufacturers

To Extract the Essential Oil from any Flower

Departments

From the Editor

To Correspondents

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Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

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